2774761538 has 16 divisors (see below), whose sum is σ = 4345565760. Its totient is φ = 1326308016.

The previous prime is 2774761537. The next prime is 2774761567. The reversal of 2774761538 is 8351674772.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2774761531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69728 + ... + 102036.

It is an arithmetic number, because the mean of its divisors is an integer number (271597860).

Almost surely, 2^2774761538 is an apocalyptic number.

2774761538 is a deficient number, since it is larger than the sum of its proper divisors (1570804222).

2774761538 is a wasteful number, since it uses less digits than its factorization.

2774761538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34201.

The product of its digits is 1975680, while the sum is 50.

The square root of 2774761538 is about 52676.0053344974. The cubic root of 2774761538 is about 1405.2121255349.

The spelling of 2774761538 in words is "two billion, seven hundred seventy-four million, seven hundred sixty-one thousand, five hundred thirty-eight".